Divided into 12 parts of average

The average is the sum of the digits of the lottery numbers, divided by the number of numbers(2).

Divide the average into 12 parts:

Part 1st: 1 - 3

Part 2nd: 4 - 6

Part 3rd: 7 - 8

Part 4th: 9 - 10

Part 5th: 11 - 12

Part 6th: 13 - 14

Part 7th: 15 - 16

Part 8th: 17 - 18

Part 9th: 19 - 20

Part 10th: 21 - 22

Part 11th: 23 - 24

Part 12th: 25 - 26